Home / 15,820.75-23,735.09-4,727.40

Finding the Fourth Proportional to 15,820.75, 23,735.09 and 4,727.40

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Solution

The fourth proportional to 15,820.75, 23,735.09 and 4,727.40 is: 7,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820.75 : 23,735.09 = 4,727.40 : x
  2. Step 2: Convert to fraction form
    15,820.75/23,735.09 = 4,727.40/x
  3. Step 3: Cross multiply
    15,820.75x = 23,735.09 × 4,727.40
  4. Step 4: Simplify right side
    15,820.75x = 112,205,264.47
  5. Step 5: Solve for x
    x = 112,205,264.47/15,820.75
  6. Step 6: Final answer
    x = 7,092.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.